/*
 * ControllerAction.java 8 ao�t 2006
 *
 * Sweet Home 3D, Copyright (c) 2006 Emmanuel PUYBARET / eTeks <info@eteks.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package com.eteks.sweethome3d.swing;

import java.awt.event.ActionEvent;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

import com.eteks.sweethome3d.model.UserPreferences;

/**
 * An action which <code>actionPerformed</code> method 
 * will call a parametrizable method. 
 * @author Emmanuel Puybaret
 */
public class ControllerAction extends ResourceAction
{
	private final Object controller;
	private final Method controllerMethod;
	private final Object[] parameters;
	
	/**
	 * Creates a disabled action with properties retrieved from a resource bundle 
	 * in which key starts with <code>actionPrefix</code>.
	 * @param preferences   user preferences used to retrieve localized description of the action
	 * @param resourceClass the class used as a context to retrieve localized properties of the action
	 * @param actionPrefix prefix used in resource bundle to search action properties
	 * @param controller   the controller on which the method will be called
	 * @param method       the name of the controller method that will be invoked
	 *          in {@link #actionPerformed(ActionEvent) actionPerfomed}
	 * @param parameters list of parameters to be used with <code>method</code>
	 * @throws NoSuchMethodException if <code>method</code> with a
	 *           matching <code>parameters</code> list doesn't exist
	 */
	public ControllerAction(UserPreferences preferences, Class<?> resourceClass, String actionPrefix, Object controller,
			String method, Object... parameters) throws NoSuchMethodException
	{
		this(preferences, resourceClass, actionPrefix, false, controller, method, parameters);
	}
	
	/**
	 * Creates an action with properties retrieved from a resource bundle 
	 * in which key starts with <code>actionPrefix</code>.
	 * @param preferences   user preferences used to retrieve localized description of the action
	 * @param resourceClass the class used as a context to retrieve localized properties of the action
	 * @param actionPrefix prefix used in resource bundle to search action properties
	 * @param enabled <code>true</code> if the action should be enabled at creation.
	 * @param controller   the controller on which the method will be called
	 * @param method       the name of the controller method that will be invoked
	 *          in {@link #actionPerformed(ActionEvent) actionPerfomed}
	 * @param parameters list of parameters to be used with <code>method</code>
	 * @throws NoSuchMethodException if <code>method</code> with a
	 *           matching <code>parameters</code> list doesn't exist
	 */
	public ControllerAction(UserPreferences preferences, Class<?> resourceClass, String actionPrefix, boolean enabled,
			Object controller, String method, Object... parameters) throws NoSuchMethodException
	{
		super(preferences, resourceClass, actionPrefix, enabled);
		this.controller = controller;
		this.parameters = parameters;
		// Get parameters class
		Class<?>[] parametersClass = new Class[parameters.length];
		for (int i = 0; i < parameters.length; i++)
			parametersClass[i] = parameters[i].getClass();
		
		this.controllerMethod = controller.getClass().getMethod(method, parametersClass);
	}
	
	/**
	 * Calls the method on controller given in constructor.
	 */
	@Override
	public void actionPerformed(ActionEvent ev)
	{
		try
		{
			this.controllerMethod.invoke(controller, parameters);
		}
		catch (IllegalAccessException ex)
		{
			throw new RuntimeException(ex);
		}
		catch (InvocationTargetException ex)
		{
			throw new RuntimeException(ex);
		}
	}
}
